Replacements Ltd.
Jack Whitley, Senior Vice President, E-Commerce

"I would recommend Efficient Frontier to any company who wants to be effective online and in a large way."

Ask.com
Natalie Cann, Marketing Manager IAC Search & Media

"Efficient Frontier's system allows us to optimise against those users that have the best quality, not just the lowest cost."

babycenter.com
Sarah Buckenberger, Manager, Online Marketing

"We chose Efficient Frontier because we were impressed with the sophistication of their bid management approach, as well as the level of detailed reporting they provide."